target/linux/bcm27xx/patches-5.10/950-0235-media-i2c-ov5647-Neither-analogue-gain-nor-exposure-.patch

   1 From 05a1c88d9b8dd344edfce3eaa00a3cac866cf3ad Mon Sep 17 00:00:00 2001
   2 From: Dave Stevenson <dave.stevenson@raspberrypi.com>
   3 Date: Wed, 29 Apr 2020 21:47:25 +0100
   4 Subject: [PATCH] media: i2c: ov5647: Neither analogue gain nor
   5  exposure need EXECUTE_ON_WRITE
   6
   7 The controls for analogue gain and exposure were defined with
   8 V4L2_CTRL_FLAG_EXECUTE_ON_WRITE. This is not required as we only need
   9 to send changes to the sensor.
  10
  11 Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
  12 ---
  13  drivers/media/i2c/ov5647.c | 27 ++++++++++++---------------
  14  1 file changed, 12 insertions(+), 15 deletions(-)
  15
  16 --- a/drivers/media/i2c/ov5647.c
  17 +++ b/drivers/media/i2c/ov5647.c
  18 @@ -1472,7 +1472,6 @@ static int ov5647_probe(struct i2c_clien
  19         struct v4l2_subdev *sd;
  20         struct device_node *np = client->dev.of_node;
  21         u32 xclk_freq;
  22 -       struct v4l2_ctrl *ctrl;
  23         int hblank;
  24
  25         sensor = devm_kzalloc(dev, sizeof(*sensor), GFP_KERNEL);
  26 @@ -1525,20 +1524,18 @@ static int ov5647_probe(struct i2c_clien
  27                                V4L2_EXPOSURE_MANUAL,  /* max */
  28                                0,                     /* skip_mask */
  29                                V4L2_EXPOSURE_MANUAL); /* default */
  30 -       ctrl = v4l2_ctrl_new_std(&sensor->ctrls, &ov5647_ctrl_ops,
  31 -                                V4L2_CID_EXPOSURE,
  32 -                                4,     /* min lines */
  33 -                                65535, /* max lines (4+8+4 bits)*/
  34 -                                1,     /* step */
  35 -                                1000); /* default number of lines */
  36 -       ctrl->flags |= V4L2_CTRL_FLAG_EXECUTE_ON_WRITE;
  37 -       ctrl = v4l2_ctrl_new_std(&sensor->ctrls, &ov5647_ctrl_ops,
  38 -                                V4L2_CID_ANALOGUE_GAIN,
  39 -                                16,   /* min, 16 = 1.0x */
  40 -                                1023, /* max (10 bits) */
  41 -                                1,    /* step */
  42 -                                32);  /* default, 32 = 2.0x */
  43 -       ctrl->flags |= V4L2_CTRL_FLAG_EXECUTE_ON_WRITE;
  44 +       v4l2_ctrl_new_std(&sensor->ctrls, &ov5647_ctrl_ops,
  45 +                         V4L2_CID_EXPOSURE,
  46 +                         4,     /* min lines */
  47 +                         65535, /* max lines (4+8+4 bits)*/
  48 +                         1,     /* step */
  49 +                         1000); /* default number of lines */
  50 +       v4l2_ctrl_new_std(&sensor->ctrls, &ov5647_ctrl_ops,
  51 +                         V4L2_CID_ANALOGUE_GAIN,
  52 +                         16,   /* min, 16 = 1.0x */
  53 +                         1023, /* max (10 bits) */
  54 +                         1,    /* step */
  55 +                         32);  /* default, 32 = 2.0x */
  56
  57         /* Set the default mode before we init the subdev */
  58         sensor->mode = OV5647_DEFAULT_MODE;